Senior Technical Associate Network
AT&T Communication Services India Pvt Ltd
Total years of experience :17 years, 9 Months
• Involved in Mobility Services Operations of the AT&T mobility network, taking care total of 13 NDCs of the AT&T mobility.
• Handling IT Infrastructure & Development related Project work also maintained records of IT related Systems & Asset.
• Efficiently handling Network, user & users IT related Problems also monitoring Network and Network related Problems.
• Supporting networks projects also configuration & maintaining of CISCO routers and switches.
• Responsible for the 3 layers (Core, distribution and access) of AT&T mobility network of all NDCs. Managing Bearer and OA&M network.
• Using the Remedy for the change & trouble management and IWOS (integrated work order system) for the configuration/change related works.
• Working with mix vendors for node like Cisco, Juniper and F5. Dealing with all the Cisco boxes such as 3800, 6500, 7200, 7600 and Nexus 7000 installing, configuration and implementing the changes as per the requirement from the NP&E team.
• Working on F5 Load balancers Big IP VIPRION for the LTM/GTM traffic management. We manage and implement changes on the F5 as per the design requirement in the network.
• Efficiently using Junipers MX960 the SDG (service delivery gateway) for ADC (Application delivery controllers) and TLB (traffic load balancers) services. It also consists of the capabilities such as routing/switching, NAT, HA, Stateful FW and DNS cache.
• Performing fault isolation, validation and some repair for supported network nodes, escalating and tracking advanced repair to specialized teams.
• Accountable for the rapid assessment of both the nature and severity of customer problems to evaluate appropriate response, engages various support organizations to provide that response.
• Assisting and supporting the engaged support organizations to reduce duration and severity of customer impact and/or loss of redundancy.
• Working as a Technical Solution Architect for AT&T responsible for delivering every technical solution to IBM client.
• Work profile includes providing technical solution based on customer requirement and delivering to IBM.
• Technical solution document includes configuration & set up related detailed architecture including procurement of hardware process.
• This also includes presale part which comprise of costing to the solution we design.
• This includes every network related process which includes providing a technical resource at site for implementation to setting up data center.
• Responsible for the configuration and troubleshooting of VLAN about Company & Installation configuration of CISCO ROUTERS & CATALYST SWITCHES Worked on various platforms of CISCO Routers and Switches.
• Ensured maximum uptime and smooth performance of corporate LAN/WAN and critical application servers.
• Accountable for the configuring-hardening new Routers and Switches, upgradation of IOS of the routers and switches. Implementing the network changes.
• Managed and troubleshooted LAN network for campus and regional offices (including STP, HSRP, and VTP). Managed the KIWI Syslog server and enable logging for the network devices such as routers and switches.
• Prepared Network Documentation / Diagrams and ensuring the change control and change management. Suggested improvements in the operations and processes to make the system foolproof.
• Supported network gear. Everything from racking and cabling server, cabling network devices, troubleshooting network problems and escalating to the proper tier 3 teams as needed. Root Cause Analysis (RCA) and Escalation to the vender within SLA when needed.
• Maintained and operate their corporate wide network including datacenters, terminals and corporate offices. Network consisted of Cisco catalyst 2960 and 3750 switches as well as Cisco 2800 and 3800 routers with Cisco Catalyst 3750, 4500R at their core.
• Preparing Network Reports (Daily, Weekly and Monthly) for all the states
• Monitoring the LAN and Wan Network links on solar wind NMS software.
• Configuring & troubleshooting Cisco Routers 2600, 1800 series & Cisco Catalyst switches.
• Configuring & Managing ISDN backup links with different branch’s across the India.
• LAN setup for the customer Contribution in doing internal.
• Taking follow-up with the National service provider in case of lease line outage.
• Managing a multilink, coordinating with different ISP for a wan links issue.
• Configuring the KIWI Syslogs server and enable logging for the network devices such as routers and switches.
• To take daily, weekly, monthly or yearly backup of all Routers and Switches, Daily, weekly and month reports.
• Responsibilities also including the office administration work such as invoice preparation, products checking etc.
• Configuration and troubleshooting of VLAN about Company & Installation configuration of CISCO ROUTERS & CATALYST SWITCHES Worked on various platforms of CISCO Routers and Switches
• Managing the entire windows 2000-network environment (123 pc & 55 laptops) with Domain controller, DHCP, DNS, Symantec Antivirus server, Print server.
• Installing, configuring & managing Lotus notes client.
• Installing & managing the other software’s for Aviva Life Insurance Co Installation of Network & local Printers. Configuring print servers and printers for network printing.
• Coordinating branches of Aviva Life Insurance all over India for Network and PC related problems.
• Handling anti-virus project for Aviva Life Insurance (SAV 10.02).
• To take daily, weekly, monthly or yearly backup.
• Analyze and solve software and network problem. Doing vendor management, assets management